Question

Dada as matrizes abaixo calcule

a) A+B
b) A+C
c) B+C
d) B+C+A

Answer 1

a) A+B
0  3         -2  4               -2   7
         +                  = 
2 -5          0 -1                2   -6

Answer 2

A) A+B

$\left[\begin{array}{ccc}-2&7\\2&-6\\\end{array}\right]$

B) A+C
$\left[\begin{array}{ccc}4&6\\-4&-5\\\end{array}\right]$

C) B+C

$\left[\begin{array}{ccc}2&6\\-6&-1\\\end{array}\right]$

D) B+C+A
$\left[\begin{array}{ccc}2&9\\-4&-6\\\end{array}\right]$